The Soil

Review Questions

Which factors affect soil quality?

  1. chemical composition
  2. history of the soil
  3. presence of living organisms and topography
  4. all of the above

Hint:

D

Soil particles that are 0.1 to 2 mm in diameter are called ________.

  1. sand
  2. silt
  3. clay
  4. loam

Hint:

A

A soil consists of layers called ________ that taken together are called a ________.

  1. soil profiles : horizon
  2. horizons : soil profile
  3. horizons : humus
  4. humus : soil profile

Hint:

B

What is the term used to describe the solid rock that lies beneath the soil?

  1. sand
  2. bedrock
  3. clay
  4. loam

Hint:

B